What is the meaning of Foxtail?

A tail of a fox.

A dry spikelet or spikelet seed and flower cluster of some grasses.

A cluster of buds on a cannabis plant.

A plant having a part resembling the tail of a fox or such spikelet.

1. Any of various grasses having bushy seed spikelets that resemble the tail of a fox

   Any of various grasses having bushy seed spikelets that resemble the tail of a fox

   species of genus Alopecurus (foxtail grasses).

   species of Setaria (foxtail millets).

   Bromus madritensis (foxtail brome).

   Hordeum jubatum (foxtail barley).

   Acalypha hispida (chenille plant).

   Lycopodiella alopecuroides 9foxtail clubmoss0.

   Wodyetia bifurcata (foxtail palm).

   An orchid of species Rhynchostylis retusa.

   The last cinders obtained in the fining process.

   Source: wiktionary.org